Dennis Muller Email & Phone Number

Irving, Tx

Dallas/Fort Worth Area

Managed team of 20 Administrators responsible for the daily operations of over 3,000 UNIX systems (LINUX, AIX, HPUX and Solaris) both physical hardware as well as virtualized systems (VMWare | Citrix XEN Center). Managed Storage team responsible for over 50 petabytes of Storage.• Conducted quarterly storage capacity meetings enabling us to meet customer needs as well as recovering unused storage.• Coordinated with application teams for new systems delivery achieving 98% success… Show more Managed team of 20 Administrators responsible for the daily operations of over 3,000 UNIX systems (LINUX, AIX, HPUX and Solaris) both physical hardware as well as virtualized systems (VMWare | Citrix XEN Center). Managed Storage team responsible for over 50 petabytes of Storage.• Conducted quarterly storage capacity meetings enabling us to meet customer needs as well as recovering unused storage.• Coordinated with application teams for new systems delivery achieving 98% success rate.• Drove project for migration of Solaris to Linux, reducing overall Sun hardware footprint by 60%.• Trained 16 offshore resources that were staffed as Managed Services to perform in a Staff Aug environment.• Conducted quarterly Disaster Recovery exercises with a 99% success rate.• Led outsource transition from TCS to AMDOCS in 6 months.• Maintained 99% success rate for all production Change Management activities. Show less

Maintained constant monitoring and configuration of infrastructure, encompassing 4,500 servers Linux, HPUX, Solaris and AIX). • Successfully deployed and maintained 3 Cloudera environments on RHEL 6.0 running:o Cloudera Manager, HDFS, Hive, Impala, Sqoop, Spark, HBase, Yarn• Deployed CA Nimsoft as a replacement for CA SystemEdge monitoring for over 4,500-server infrastructure.• Deployed Netezza Twin Fin 12 reducing Oracle foot print by more than 75TB. o Successfully replaced… Show more Maintained constant monitoring and configuration of infrastructure, encompassing 4,500 servers Linux, HPUX, Solaris and AIX). • Successfully deployed and maintained 3 Cloudera environments on RHEL 6.0 running:o Cloudera Manager, HDFS, Hive, Impala, Sqoop, Spark, HBase, Yarn• Deployed CA Nimsoft as a replacement for CA SystemEdge monitoring for over 4,500-server infrastructure.• Deployed Netezza Twin Fin 12 reducing Oracle foot print by more than 75TB. o Successfully replaced Twin Fin 12 with N3001 series Netezza appliances.• Successfully deployed and administered Informatica Power Center, supporting separate Dev UAT and Production environments• Successfully deployed and administered IBM Information Server, supporting separate Dev UAT and Production environments• Automated code deployment for ETL code for Informatica, DataStage as well as MicroStrategy Reports.• Deployed and administered Graylog as a replacement for Splunk increasing collected logged data from 10gb per day to 200gb per day.• Trained offshore and onshore system admins in use of monitoring for purpose of troubleshooting as well as maintaining configurations for new system deployments.• Provided Tier 2 Linux System administration (RHEL and OEL) averaging completion of 30 service requests and 120 Incidents per month. Show less

Dfw Airport

Responsible for automation of- Batch Monitoring- Batch performance reporting- Incident Ticket creation

Provide support for BMC Patrol, perform installs on new production servers, configure agents and kms, train console operators in usage. Responsible for maintaining procedures up to date, maintaining internal website. Provide support for Spectrum, assist in monitoring and training. In this capacity I served as the liaison between the ITSC and the ESM Department; assigned to address and bring order to the ITSC console area and supply them with the means to be successful. Excelling in this role… Show more Provide support for BMC Patrol, perform installs on new production servers, configure agents and kms, train console operators in usage. Responsible for maintaining procedures up to date, maintaining internal website. Provide support for Spectrum, assist in monitoring and training. In this capacity I served as the liaison between the ITSC and the ESM Department; assigned to address and bring order to the ITSC console area and supply them with the means to be successful. Excelling in this role allowed me the ability to quickly be promoted and transferred over to the Technical Operations organization. Show less

Computer Related Experience: TCP/IP, WINS, and DHCP, and network management.Hardware configuration of client P.C.'s, software installation, and customer training and support.Supervise installation of the System 600 (DDC Control System). Coordinate with sub-contractors as needed to complete system installation. Generate control drawings and sequence of operations from Engineer's plans and specifications, select and order materials required. Develop databases and write… Show more Computer Related Experience: TCP/IP, WINS, and DHCP, and network management.Hardware configuration of client P.C.'s, software installation, and customer training and support.Supervise installation of the System 600 (DDC Control System). Coordinate with sub-contractors as needed to complete system installation. Generate control drawings and sequence of operations from Engineer's plans and specifications, select and order materials required. Develop databases and write programs specific to each project that control machinery (energy usage, air temperature and humidity, lighting, etc.). Train end Customer on use of system and control of their facility. Provide customers with appropriate methods of monitoring their buildings and mechanical systems. Show less

Math, Computer Programming

Computer Science